HIV pushes the immune system to its limits. Our body's usual antiviral arsenal is coordinated, in part, by immune cells called Helper T cells. But HIV attacks Helper T cells directly, eventually leading to AIDS. This animation shows the cellular and molecular mechanisms employed on both sides of the fight, and how antiretroviral drugs can help swing the balance in our favor.
Much of what we know about the cannabis plant and its effects on the human body has only been formally discovered in the past 60 years. A good deal of these pioneering investigations have involved today's Teach Me in 10 guest: Roger Pertwee, an emeritus professor at the University of Aberdeen.